Assignee
PUTZMEISTER MASCHF
DE29 patents
Top patents by PatentIndex Score
US5640996AJun 24, 1997
Large manipulator, especially for self-propelled concrete pumps
PUTZMEISTER MASCHF70 citations96
US5720069AFeb 24, 1998
Arrangement for surface treatment, especially the cleaning of the surfaces of large objects
PUTZMEISTER MASCHF22 citations92
US5522677AJun 4, 1996
Travelling concreting device
PUTZMEISTER MASCHF28 citations92
US5421705AJun 6, 1995
Overload protective device for an internal combustion engine acting as a drive motor of a main pump of a hydraulic pressure generator
PUTZMEISTER MASCHF38 citations92
US5344290ASep 6, 1994
Method and device for controlling a double-cylinder thick matter pump
PUTZMEISTER MASCHF24 citations92
US5302094AApr 12, 1994
Tube switch for a double-cylinder sludge pump
PUTZMEISTER MASCHF23 citations92
US5238371AAug 24, 1993
Control arrangement for a two-cylinder pump for thick materials
PUTZMEISTER MASCHF30 citations92
US5535780AJul 16, 1996
Concrete-distribution rig
PUTZMEISTER MASCHF21 citations91
US5460301AOct 24, 1995
Concrete pump vehicle
PUTZMEISTER MASCHF33 citations90
US5127429AJul 7, 1992
Method and device for distributing pumpable thick matter into several delivery pipes
PUTZMEISTER MASCHF23 citations90
US5640850AJun 24, 1997
Hydraulic pressure supply and control device for a mobile concrete pump
PUTZMEISTER MASCHF26 citations89
US5833762ANov 10, 1998
Process for treating an object, in particular an airplane
PUTZMEISTER MASCHF42 citations88
US5749678AMay 12, 1998
Device for driving a tunnel or drain pipe
PUTZMEISTER MASCHF20 citations83
US5746247AMay 5, 1998
Slide valve for a twin-cylinder pump for viscous fluids
PUTZMEISTER MASCHF13 citations73
US5520521AMay 28, 1996
Hydraulic control device for a viscous fluid pump
PUTZMEISTER MASCHF17 citations73
US5127806AJul 7, 1992
Thick matter pump with downstream shutoff device
PUTZMEISTER MASCHF10 citations73
US4893992AJan 16, 1990
Two-cylinder thick-material pump
PUTZMEISTER MASCHF16 citations73
US5586869ADec 24, 1996
Initial pressure governor for a variable displacement pump
PUTZMEISTER MASCHF15 citations72
US5470167ANov 28, 1995
Locking device for pull-out supports
PUTZMEISTER MASCHF13 citations71
US5360321ANov 1, 1994
Feeding reservoir for two-cylinders thick-matter pumps
PUTZMEISTER MASCHF9 citations71
US5340291AAug 23, 1994
Flow restraining device for a thick matter conveying apparatus
PUTZMEISTER MASCHF10 citations71
US5183356AFeb 2, 1993
Method and device for distributing pumpable thick matter into several delivery pipes
PUTZMEISTER MASCHF7 citations71
US5628081AMay 13, 1997
Brush head for large manipulators
PUTZMEISTER MASCHF9 citations70
US5605174AFeb 25, 1997
Device for conveying thick substances containing a great deal of solid material
PUTZMEISTER MASCHF13 citations70
US5592710AJan 14, 1997
Brush head for cleaning surfaces
PUTZMEISTER MASCHF8 citations70
US5578752ANov 26, 1996
Process for measuring the flow rate of thick matter pumps
PUTZMEISTER MASCHF17 citations70
US5757088AMay 26, 1998
Remote control device especially for conveying, spraying and distributing machines for concrete and mortar
PUTZMEISTER MASCHF14 citations68
US5190449AMar 2, 1993
Material feed tank for sludge pumps
PUTZMEISTER MASCHF6 citations60
US5823748AOct 20, 1998
Device for opening and closing a closure cap
PUTZMEISTER MASCHF1 citations48